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Finding the Fourth Proportional to 27,477.86, 41,219.79 and 8,753.50

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Solution

The fourth proportional to 27,477.86, 41,219.79 and 8,753.50 is: 13,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,477.86 : 41,219.79 = 8,753.50 : x
  2. Step 2: Convert to fraction form
    27,477.86/41,219.79 = 8,753.50/x
  3. Step 3: Cross multiply
    27,477.86x = 41,219.79 × 8,753.50
  4. Step 4: Simplify right side
    27,477.86x = 360,817,181.90
  5. Step 5: Solve for x
    x = 360,817,181.90/27,477.86
  6. Step 6: Final answer
    x = 13,131.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.